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在Message中使用Bundle传递数据
 
Message msg = myHandler.obtainMessage();
Bundle b = new Bundle();
b.putInt("age" , 20);
b.putString("name" , "Jon");
msg.setData(b);
msg.sendToTarget();
 
class MyHandler extends Handler{
   public void handleMessage(Message msg){
      Bundle b = msg.getData();
      int age = b.getInt("age");
      String name = b.getString("name");
  }
}